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› ASME B30.26-2020 Rigging Hardware Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings
skywolf03
发表于 2020-9-30 21:50:06
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ASME B30.26-2020 Rigging Hardware Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings